package com.example.demoshiyan01;

import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.*;

import java.net.URLDecoder;
import java.util.Arrays;
import java.util.Map;

@SpringBootApplication
public class DemoShiyan01Application {

    public static void main(String[] args) {
        SpringApplication.run(DemoShiyan01Application.class, args);
    }

    @RestController
    static class TestController{

        @RequestMapping(value = {"/"} , produces = MediaType.APPLICATION_JSON_VALUE+";charset=UTF-8")
        /*@GetMapping("get")
        @PostMapping("/post")*/
        String index(){

            return "你好，Spring Boot！";
        }
    }

    @Bean
    public CommandLineRunner CommandLineRunner(ApplicationContext ctx){
        return args -> {

            System.out.println("由Spring boot注册的所有Bean：");

            String[] beanNames = ctx.getBeanDefinitionNames();
            Arrays.sort(beanNames);
            for(String beanName : beanNames){
                System.out.println(beanName);
            }
        };
    }
}
